Certificate pursuant to section 12 of the Weights and Measures Act 1985 ... the Secretary of State for Trade and Industry hereby certifies as suitable for use for trade the folowing pattern of a non-automatic self-indicating platform weighing machine ...: submitted by Industrial Weighing Systems Ltd.
Great Britain.Department of Trade and Industry.
Industrial Weighing Systems Ltd.
National Weights and Measures Laboratory.
Teddington : National Weights and Measures Laboratory,
1991.
Reference no STD 6213
Weighing-machines